Question about Texas Instruments TI-30XA Calculator

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Do it exactly as you wrote it. For the negative exponent use the change sign key [ -]. The question is whether you are aware of the meaning of the EE key.

The EE key is a shortcut for x10^. Thus 1EE3=10^3=1000.

As to the other number (the electron mass) its value is 9.1x10^(-31) kg which you enter as you typed it 9.1 [EE] [( -)]31 [=]

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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Press 1 2ND [EE] 9 9

EE is the second function of the , key, just above the 7 key.

EE is the second function of the , key, just above the 7 key.

Oct 30, 2013 | Texas Instruments TI-84 Plus Calculator

Without knowing exactly what you're doing I can't be sure, but I suspect you're entering the 10^9 as something like 1 0 EE 9 .

1 0 EE 9 gives you 10 * 10^9, which is 10^10. You should be doing this as 1 5 0 0 / 1 EE 9 = .

1 0 EE 9 gives you 10 * 10^9, which is 10^10. You should be doing this as 1 5 0 0 / 1 EE 9 = .

Nov 06, 2012 | Texas Instruments TI-30XA Calculator

To enter a power of 10 use the key EE

For 9.1x10^(-31): type 9.1 [EE] [(-)] 31. Here [(-)] is the change sign key.

For 9.1x10^(-31): type 9.1 [EE] [(-)] 31. Here [(-)] is the change sign key.

Sep 13, 2011 | Texas Instruments TI-30 XIIS Calculator

Make sure you use the +/- key just to the right of the decimal point key when entering negative values, including exponents.

1 . 6 7 EE 2 1 * 9 . 1 1 EE +/- 3 1 =

1 . 6 7 EE 2 1 * 9 . 1 1 EE +/- 3 1 =

Aug 30, 2011 | Texas Instruments TI-30XA Calculator

Use the EE key just above the 7 key to enter exponents. Use the +/- key to the right of the decimal point to enter negative values. For 1.09 x 10-6, press

1 . 0 9 EE +/- 6

1 . 0 9 EE +/- 6

Nov 19, 2010 | Texas Instruments TI-30XA Calculator

No! Your calculator is not broken. However you are not using the EE button correctly, or you are not aware of its meaning.

The EE key is a shortcut for 10 to a power and the 10 is already included.

Here is an example.To enter the [EE] you use [SHIF][,] where the comma [,] is the key between [SIN] and [7] in the column under [MODE]. To enter a negative exponent you use the change sign key (-), the one at the bottom of keypad below 3 and to the right of the decimal mark [.]

To enter 54.2 x10^(-3) you type in 54.2[,] [(-)]3

To enter 37x10^(9) you type in 37[SHIFT] [,]]9

The correct result is 2.0054x10^9 and your calculator will show you 2.0054E9

However by typing in 54.2*10[EE]-3 your are in fact entering 54.2x10x10^(-3) and by typing 37*10[EE]9 you are entering 37*10*10^9 and your final result is in fact multiplied by 100, hence the value you are getting 2.0054E11

The EE key is a shortcut for 10 to a power and the 10 is already included.

Here is an example.To enter the [EE] you use [SHIF][,] where the comma [,] is the key between [SIN] and [7] in the column under [MODE]. To enter a negative exponent you use the change sign key (-), the one at the bottom of keypad below 3 and to the right of the decimal mark [.]

To enter 54.2 x10^(-3) you type in 54.2[,] [(-)]3

To enter 37x10^(9) you type in 37[SHIFT] [,]]9

The correct result is 2.0054x10^9 and your calculator will show you 2.0054E9

However by typing in 54.2*10[EE]-3 your are in fact entering 54.2x10x10^(-3) and by typing 37*10[EE]9 you are entering 37*10*10^9 and your final result is in fact multiplied by 100, hence the value you are getting 2.0054E11

Aug 29, 2010 | Texas Instruments TI-83 Plus Calculator

If you use the exponent rules you do not need to use a

calculator for this particular case. Anyway to enter power of 10 exponents you use the [EE] key. See screen capture below.

20 [EE] (+ -)9 [X] 1[EE] (+ -) 9

calculator for this particular case. Anyway to enter power of 10 exponents you use the [EE] key. See screen capture below.

20 [EE] (+ -)9 [X] 1[EE] (+ -) 9

Aug 12, 2010 | Texas Instruments TI-30XA Calculator

Hello,

The error comes from the lack of understanding of the meaning of the notation used by the calculator manufacturers.

The [EE] is a "shorthand" notation for**times 10 to the power of **.

To convince you of it try entering

**1[EE]0 [=] this is 1*10^0=1*1=1**

1[EE]1 [=] this is 1*10^1=1*10=10

1[EE]2 [=] this is 1*10^2=1*100=100

When you enter 7.82x10[EE]10

you are calculating

7.82*10*1*10^10=7.82x10^11.

Hope it helps.

The error comes from the lack of understanding of the meaning of the notation used by the calculator manufacturers.

The [EE] is a "shorthand" notation for

To convince you of it try entering

1[EE]1 [=] this is 1*10^1=1*10=10

1[EE]2 [=] this is 1*10^2=1*100=100

When you enter 7.82x10[EE]10

you are calculating

7.82*10*1*10^10=7.82x10^11.

Hope it helps.

Nov 12, 2009 | Texas Instruments TI-30XA Calculator

Hello,

If you have the [EE] key (sometimes labeled [Exp], or [times 10 to the x], you enter your expression as 1[EE](-9). If you do not have that key you can use the general power key [X to the y] or [Y to the x] or [^] depending on calculator 10[^](-9) = 0.000000001 or equivalently 1.0000x10^(-9)

EE or EXP are shortcuts for times 10 to the power.

Hope it helps.

If you have the [EE] key (sometimes labeled [Exp], or [times 10 to the x], you enter your expression as 1[EE](-9). If you do not have that key you can use the general power key [X to the y] or [Y to the x] or [^] depending on calculator 10[^](-9) = 0.000000001 or equivalently 1.0000x10^(-9)

EE or EXP are shortcuts for times 10 to the power.

Hope it helps.

Sep 30, 2009 | Casio Office Equipment & Supplies

The y^x button is right next to the x^2 button. It is labled with an x raised to a square box (which I will write as x^box). Thus, if you enter (for example)

2 x^box 5 = 32

2 x^box 5 = 32

Mar 30, 2008 | Casio FX-115ES Scientific Calculator

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